The disappearance of 3-year-old Madeleine McCann gained worldwide attention, but 12 years later there’s still no trace of her. We investigate what really happened to her and if she could still be alive. Then, a serial killer posing as a photographer leaves behind pictures of his possible victims: Can social media help investigators identify who they are?

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.

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